button {
border: 0 none;
cursor: pointer;
font-weight: bold;
padding: 0 15px 0 0;
text-align: center;
height: 30px;
line-height: 30px;
width: auto;
}

button.rounded {
background: transparent url( image/btn_right.png ) no-repeat scroll right top;
clear: left;
font-size: 0.8em;
}

button span {
display: block;
padding: 0 0 0 15px;
position: relative;
white-space: nowrap;
height: 30px;
line-height: 30px;
}

button.rounded span {
background: transparent url( image/btn_left.png ) no-repeat scroll left top;
color: #FFFFFF;
}

button.rounded:hover {
background-position: 100% -30px;
}

button.rounded:hover span {
background-position: 0% -30px;
}



button.rounded-back {
background: transparent url( image/btn_right.png ) no-repeat scroll right top;
clear: left;
font-size: 0.8em;
}

button.rounded-back span {
background: transparent url( image/btn_left_back.png ) no-repeat scroll left top;
color: #FFFFFF;
}

button.rounded-back:hover {
background-position: 100% -30px;
}

button.rounded-back:hover span {
background-position: 0% -30px;
}

button::-moz-focus-inner {
border: none;
}

